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Topic: Triphosgene

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	American Chemical Society: Chemical & Engineering Safety Letters (Site not responding. Last check: 2007-11-03)
		Both diphosgene and triphosgene can be used as a substitute for phosgene in all the reactions such as the formation of chloroformates, carbonates, ureas, and isocyanates and for chlorination, carboxylation, and dehydration.
		The toxicity of both diphosgene and triphosgene is exactly the same as phosgene since both decompose to phosgene on heating and upon reaction with any nucleophile.
		In the case of triphosgene, either obtained commercially or freshly prepared from our laboratory, we still found phosgene in the vapor space upon opening the bottle, even when the compound had been stored in a nitrogen blanket in a tightly sealed bottle in a refrigerator.
	pubs.acs.org /cen/safety/19930208.html (415 words)

	Sciencemadness Discussion Board - Powered by XMB
		I'm doing one reaction in which an aliphatic isocyanate is formed thro' reaction of Amine HCl with Triphosgene (0.35-4 eq.) in aq.
		The reaction goes so well but only the problem here is I could not get rid of the excess triphosgene remained after the reaction.
		Unless the isocyanate reacts faster you might use ammonia to remove triphosgene.
	www.sciencemadness.org /talk/viewthread.php?tid=4481 (233 words)

	Year 2005: ORGLIST: Removing excess Triphosgene (Site not responding. Last check: 2007-11-03)
		The reaction goes so well but I'm feeling difficulties in removing the excess triphosgene after completion of reaction.
		of triphosgene in different experiments and all give almost similar results.
		In all of them, excess triphosgene remains in the organic layer and generates a lot of amount of acidic solids.
	www.orglist.net /archive/2005/0347.html (199 words)

	Re: Triphosgene (Site not responding. Last check: 2007-11-03)
		In Reply to: Triphosgene posted by VIKAS NAGPAL on November 26, 2001 at 06:53:42:
		Try this link for information about the safe handling of triphosgene.
		If you are looking for more specific answers as to how to store, transfer, process, etc. triphosgene, please feel free to contact me via e-mail with those questions or post them on this board.
	hazard.com /board/messages/1524.html (81 words)

	Triphosgene Suppliers & Manufacturers, Price (China)
		China Upchem is the world's leading producer of triphosgene.
		The company develop and manufacture specialty phosgenated intermediates and products for a variety of applications.
		is one of the global leader engaged in manufacture of Triphosgene, Ferric chloride, Nylon 1010, Sodium hydrosulphite, Solid carbonyl chloride.
	www.chemicalregister.com /China/Triphosgene/Suppliers/pid14146.htm (67 words)

	In-Pharma focus: Clariant’s chemistry.
		Ralf Pfirmann, global business director for the Pharmaceutical Fine Chemicals Business of Clariant, told In-PharmaTechnologist.com: "Phosgene is a versatile reagent used in many well-known applications, including the synthesis of complex heterocycles, peptides and protecting groups."
		Using triphosgene chemistry, Clariant has been to industrialise a short and efficient synthesis route to oxacarbazepine.
		The technology can be used in penultimate or ultimate steps of API synthesis delivering high product purity thus avoiding expensive purification.
	www.in-pharmatechnologist.com /news/ng.asp?id=64012 (755 words)

	J&P fine chemical Co.,Ltd (Site not responding. Last check: 2007-11-03)
		Also we can develop new products and transfer new technologies discovered by ourselives.
		Our plant established in 1999 and located in Economic & Technology Development Zone of Jiaocheng county, Shanxi, China.Our major products is malonate/malonatic acid,Ho-epcp,5-amino-2,4,6-triiodoisophthalic acid, Triphosgene, Trichloromethylcarbonate, 4-Ethyl-2,3-Dioxo-Piperazine,oxalic acid,which have been acknowledged by USA, Europe, U.K, south-east asia, south American, and so on.
		Our company have good co-operation relationship with the Bio-pharmaceutical Department of University of Taiyuan Technology.And we holds strong technology group and advanced inspection equipments.We can complete research and development of new products according clients¡¯ requirement in our own lab.
	exporter.globalimporter.net /com/77039.htm (475 words)

	Phosgenations; Cotarca, Livius; Eckert, Heiner; Hardcover; World Retail Store - English Books
		Click on author name above for full title listing
		In this manual, the authors compare the range of applications for phosgene with that of the alternative compounds, dealing in detail with the possible uses of diphosgene, triphosgene, carbon dioxide, organic carbonates, oxalylchloride and many other alter
		This item ships direct to you within 72 hours.
	www.worldretailstore.com /item/BE-3527298231.html (223 words)

	Chemicals from China: Triphosgene, Bis(trichloromethyl) carbonate CAS #: 32315-10-9, 二(三氯甲基)碳酸酯; ...
		Chemicals from China: Triphosgene, Bis(trichloromethyl) carbonate CAS #: 32315-10-9, 二(三氯甲基)碳酸酯; 双(三氯甲基)碳酸酯; 三光气; 固体光气 - identification, properties, safety data and supplier information.
		chemBlink >> Chemical Listing >> T >> Triphosgene
		The Complete List of Chinese Suppliers for Triphosgene
	www.chemblink.com /products/32315-10-9.htm (37 words)

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